Bolt connections/Tightening torques
The bolt connections of hydraulic demolition cutters are subjected to very high loads.
♦
Tighten any loose connections without exceeding the recommended tightening torques.
Tightening torque
Type of spanner / size
Interval
Pos.
Connection point
390 Nm
1,500 Nm
Allen key / 17 mm or
22 mm
daily
A
Adapter plate*(fixing bolts)
75 + 10 Nm
Allen key / 10 mm
weekly
B
Hydraulic connection »Open /
close« (Allen screws of flange
halves)
70 + 10 Nm
open-ended wrench / F/A 24
weekly
C
Hydraulic connection »Turn
gripper«
270 + 10 Nm
Allen key / 14 mm
weekly
D
Four point bearing
255 +30 Nm
Allen key / 14 mm
weekly
E
Four point bearing
920 +30 Nm
box wrench / 36 mm
prior to shift
F
Tip of tooth
530 +30 Nm
Allen key / 17 mm
prior to shift
G
Cutter blades
44 + 5 Nm
Allen key / 10 mm
in case of a repair
H
Hydraulic connection cylinder
(Allen screws of flange halves)
390 Nm
Allen key / 17 mm
on changing cutter
jaw pair
-
Assembly rack for changing
cutter jaw pair
Treat the threads of the Allen screws with Anti-seize prior to screwing them in.
The contact face of the screw head and the lock washers must not be lubricated.
*
B
C
D
E
F
G
H
A
© 2015 Construction Tools GmbH | No. 3390 5141 01 | 2015-11-16
Original instructions
52
CC 1700 U, 1700 S
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